- Timestamp:
- 2019-02-19T20:15:53+01:00 (5 years ago)
- File:
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- 1 edited
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NEMO/branches/2019/fix_ticket2238_solution1/src/OCE/ICB/icbutl.F90
r10696 r10701 120 120 !! is half the off shore value, wile the normal-to-the-coast value is zero. 121 121 !! This is OK as a starting point. 122 !! !!pm HARD CODED: - rho_air now computed in sbcblk (what are the effect ?) 123 !! - drag coefficient (should it be namelist parameter ?) 122 124 !! 123 125 !!---------------------------------------------------------------------- … … 131 133 !!---------------------------------------------------------------------- 132 134 133 pe1 = icb_utl_bilin_e( e1t, e1u, e1v, e1f, pi, pj ) ! scale factors135 pe1 = icb_utl_bilin_e( e1t, e1u, e1v, e1f, pi, pj ) ! scale factors 134 136 pe2 = icb_utl_bilin_e( e2t, e2u, e2v, e2f, pi, pj ) 135 137 ! 136 puo = icb_utl_bilin_h( uo_e, pi, pj, 'U' )! ocean velocities137 pvo = icb_utl_bilin_h( vo_e, pi, pj, 'V' )138 psst = icb_utl_bilin_h( tt_e, pi, pj, 'T' )! SST139 pcn = icb_utl_bilin_h( fr_e , pi, pj, 'T' )! ice concentration140 pff = icb_utl_bilin_h( ff_e , pi, pj, 'F' )! Coriolis parameter141 ! 142 pua = icb_utl_bilin_h( ua_e , pi, pj, 'U' )! 10m wind143 pva = icb_utl_bilin_h( va_e , pi, pj, 'V' )! here (ua,va) are stress => rough conversion from stress to speed144 zcd = 1.22_wp * 1.5e-3_wp ! air density * drag coefficient138 puo = icb_utl_bilin_h( uo_e, pi, pj, 'U', .false. ) ! ocean velocities 139 pvo = icb_utl_bilin_h( vo_e, pi, pj, 'V', .false. ) 140 psst = icb_utl_bilin_h( tt_e, pi, pj, 'T', .true. ) ! SST 141 pcn = icb_utl_bilin_h( fr_e, pi, pj, 'T', .true. ) ! ice concentration 142 pff = icb_utl_bilin_h( ff_e, pi, pj, 'F', .false. ) ! Coriolis parameter 143 ! 144 pua = icb_utl_bilin_h( ua_e, pi, pj, 'U', .true. ) ! 10m wind 145 pva = icb_utl_bilin_h( va_e, pi, pj, 'V', .true. ) ! here (ua,va) are stress => rough conversion from stress to speed 146 zcd = 1.22_wp * 1.5e-3_wp ! air density * drag coefficient 145 147 zmod = 1._wp / MAX( 1.e-20, SQRT( zcd * SQRT( pua*pua + pva*pva) ) ) 146 148 pua = pua * zmod ! note: stress module=0 necessarly implies ua=va=0 … … 148 150 149 151 #if defined key_si3 150 pui = icb_utl_bilin_h( ui_e , pi, pj, 'U' )! sea-ice velocities151 pvi = icb_utl_bilin_h( vi_e , pi, pj, 'V' )152 phi = icb_utl_bilin_h( hi_e , pi, pj, 'T' )! ice thickness152 pui = icb_utl_bilin_h( ui_e , pi, pj, 'U', .false. ) ! sea-ice velocities 153 pvi = icb_utl_bilin_h( vi_e , pi, pj, 'V', .false. ) 154 phi = icb_utl_bilin_h( hi_e , pi, pj, 'T', .true. ) ! ice thickness 153 155 #else 154 156 pui = 0._wp … … 158 160 159 161 ! Estimate SSH gradient in i- and j-direction (centred evaluation) 160 pssh_i = ( icb_utl_bilin_h( ssh_e, pi+0.1_wp, pj, 'T' ) - &161 & icb_utl_bilin_h( ssh_e, pi-0.1_wp, pj, 'T' ) ) / ( 0.2_wp * pe1 )162 pssh_j = ( icb_utl_bilin_h( ssh_e, pi, pj+0.1_wp, 'T' ) - &163 & icb_utl_bilin_h( ssh_e, pi, pj-0.1_wp, 'T' ) ) / ( 0.2_wp * pe2 )162 pssh_i = ( icb_utl_bilin_h( ssh_e, pi+0.1_wp, pj, 'T', .true. ) - & 163 & icb_utl_bilin_h( ssh_e, pi-0.1_wp, pj, 'T', .true. ) ) / ( 0.2_wp * pe1 ) 164 pssh_j = ( icb_utl_bilin_h( ssh_e, pi, pj+0.1_wp, 'T', .true. ) - & 165 & icb_utl_bilin_h( ssh_e, pi, pj-0.1_wp, 'T', .true. ) ) / ( 0.2_wp * pe2 ) 164 166 ! 165 167 END SUBROUTINE icb_utl_interp 166 168 167 169 168 REAL(wp) FUNCTION icb_utl_bilin_h( pfld, pi, pj, cd_type )170 REAL(wp) FUNCTION icb_utl_bilin_h( pfld, pi, pj, cd_type, plmask ) 169 171 !!---------------------------------------------------------------------- 170 172 !! *** FUNCTION icb_utl_bilin *** … … 180 182 REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential 181 183 CHARACTER(len=1) , INTENT(in) :: cd_type ! type of pfld array grid-points: = T , U , V or F points 184 LOGICAL , INTENT(in) :: plmask ! special treatment of mask point 182 185 ! 183 186 INTEGER :: ii, ij ! local integer 184 187 REAL(wp) :: zi, zj ! local real 188 REAL(wp) :: zw1, zw2, zw3, zw4 189 REAL(wp), DIMENSION(4) :: zmask 185 190 !!---------------------------------------------------------------------- 186 191 ! … … 223 228 ENDIF 224 229 ! 225 ! 226 icb_utl_bilin_h = ( pfld(ii,ij ) * (1._wp-zi) + pfld(ii+1,ij ) * zi ) * (1._wp-zj) & 227 & + ( pfld(ii,ij+1) * (1._wp-zi) + pfld(ii+1,ij+1) * zi ) * zj 230 ! define mask array 231 IF (plmask) THEN 232 ! land value is not used in the interpolation 233 SELECT CASE ( cd_type ) 234 CASE ( 'T' ) 235 zmask = (/tmask_e(ii,ij), tmask_e(ii+1,ij), tmask_e(ii,ij+1), tmask_e(ii+1,ij+1)/) 236 CASE ( 'U' ) 237 zmask = (/umask_e(ii,ij), umask_e(ii+1,ij), umask_e(ii,ij+1), umask_e(ii+1,ij+1)/) 238 CASE ( 'V' ) 239 zmask = (/vmask_e(ii,ij), vmask_e(ii+1,ij), vmask_e(ii,ij+1), vmask_e(ii+1,ij+1)/) 240 CASE ( 'F' ) 241 ! F case only used for coriolis, ff_f is not mask so zmask = 1 242 zmask = 1. 243 END SELECT 244 ELSE 245 ! land value is used during interpolation 246 zmask = 1. 247 END iF 248 ! 249 ! compute weight 250 zw1 = zmask(1) * (1._wp-zi) * (1._wp-zj) 251 zw2 = zmask(2) * zi * (1._wp-zj) 252 zw3 = zmask(3) * (1._wp-zi) * zj 253 zw4 = zmask(4) * zi * zj 254 ! 255 ! compute interpolated value 256 icb_utl_bilin_h = ( pfld(ii,ij)*zw1 + pfld(ii+1,ij)*zw2 + pfld(ii,ij+1)*zw3 + pfld(ii+1,ij+1)*zw4 ) / MAX(1.e-20, zw1+zw2+zw3+zw4) 228 257 ! 229 258 END FUNCTION icb_utl_bilin_h
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